Campfire Potatoes

5 medium potatoes, peeled and thinly sliced
1 onion, sliced
1/2 cup butter or margarine
1/2 cup shredded cheddar cheese
1 tbsp dried parsley
1 tbsp Worcestershire sauce
1/8 tsp pepper
1/3 cup chicken or beef broth

Place the potatoes and onions on a large piece of heavy duty foil; dot with butter. Combine the cheese, parsley, Worcestershire sauce and pepper; stir well; sprinkle over potatoes. Fold foil up around potatoes and add the broth. Seal the edges of the foil well; wrap foil packet in a second sheet of foil; wrapping edges well. Grill over medium coals for 35-45 minutes, or until potatoes are tender. Serves 4 to 6.